Authors
Piotr Klimaszyk
Department of Water Protection, Adam Mickiewicz University, Poznań, Poland
Andrzej Brzeg
Department of Plant Ecology and Environment Protection, Adam Mickiewicz University, Poznań, Poland
© 2015 Piotr Klimaszyk, Andrzej Brzeg, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.